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<!doctype html><html><head><meta name="viewport" content="width=device-width, initial-scale=1" /><title>Blog - Our World in Data</title><meta name="description" content="Living conditions around the world are changing rapidly. Explore how and why." /><link rel="canonical" href="https://ourworldindata.org/blog" /><link rel="alternate" type="application/atom+xml" href="/atom.xml" /><meta property="fb:app_id" content="1149943818390250" /><meta property="og:url" content="https://ourworldindata.org/blog" /><meta property="og:title" content="Blog" /><meta property="og:description" content="Living conditions around the world are changing rapidly. Explore how and why." /><meta property="og:image" content="https://ourworldindata.org/wp-content/uploads/2016/06/OurWorldInData.png" /><meta property="og:site_name" content="Our World in Data" /><meta name="twitter:card" content="summary_large_image" /><meta name="twitter:site" content="@OurWorldInData" /><meta name="twitter:creator" content="@OurWorldInData" /><meta name="twitter:title" content="Blog" /><meta name="twitter:description" content="Living conditions around the world are changing rapidly. Explore how and why." /><meta name="twitter:image" content="https://ourworldindata.org/wp-content/uploads/2016/06/OurWorldInData.png" /><link rel="stylesheet" href="/wp-content/themes/owid-theme/dist/owid.css" /></head><body class="blog"><header class="SiteHeader"><nav id="owid-topbar"><a href="/" class="logo">Our World in Data</a><ul class="desktop"><li><form id="search-nav" action="https://google.com/search" method="GET"><input type="hidden" name="sitesearch" value="ourworldindata.org" /><input type="search" name="q" placeholder="Search..." /></form></li><li><a href="https://sdg-tracker.org" title="Sustainable Development Goals">SDGs</a></li><li><a href="/blog">Blog</a></li><li><a href="/about">About</a></li><li><a href="/support">Donate</a></li></ul><ul class="mobile"><li class="nav-button"><a href="https://google.com/search?q=site:ourworldindata.org" data-expand="#search-dropdown"><i class="fac fac-search"></i></a></li><li class="nav-button"><a href="/" data-expand="#topics-dropdown" class="mobile"><i class="fac fac-bars"></i></a></li></ul></nav><div id="topics-dropdown" class="mobile"><ul><li class="header"><h2>Entries</h2></li><li class="category"><a href="/#population"><span>Population</span></a><div class="subcategory-menu"><div class="submenu-title">Population</div><ul><li><a href="/world-population-growth">World Population Growth</a></li><li><a href="/life-expectancy">Life Expectancy</a></li><li><a href="/child-mortality">Child Mortality</a></li><li><a href="/future-population-growth">Future Population Growth</a></li><li><a title="Starred pages are our best and most complete entries." href="/fertility-rate" class="starred">Fertility Rate</a></li></ul></div></li><li class="category"><a href="/#health"><span>Health</span></a><div class="subcategory-menu"><div class="submenu-title">Health</div><ul><li><a title="Starred pages are our best and most complete entries." href="/cancer" class="starred">Cancer</a></li><li><a title="Starred pages are our best and most complete entries." href="/mental-health" class="starred">Mental Health</a></li><li><a title="Starred pages are our best and most complete entries." href="/smallpox" class="starred">Smallpox</a></li><li><a title="Starred pages are our best and most complete entries." href="/causes-of-death" class="starred">Causes of Death</a></li><li><a href="/substance-use">Substance Use</a></li><li><a title="Starred pages are our best and most complete entries." href="/alcohol-consumption" class="starred">Alcohol consumption</a></li><li><a title="Starred pages are our best and most complete entries." href="/health-meta" class="starred">Global Health</a></li><li><a title="Starred pages are our best and most complete entries." href="/polio" class="starred">Polio</a></li><li><a href="/life-expectancy">Life Expectancy</a></li><li><a title="Starred pages are our best and most complete entries." href="/suicide" class="starred">Suicide</a></li><li><a title="Starred pages are our best and most complete entries." href="/financing-healthcare" class="starred">Financing Healthcare</a></li><li><a href="/maternal-mortality">Maternal Mortality</a></li><li><a href="/eradication-of-diseases">Eradication of Diseases</a></li><li><a title="Starred pages are our best and most complete entries." href="/burden-of-disease" class="starred">Burden of Disease</a></li><li><a href="/malaria">Malaria</a></li><li><a title="Starred pages are our best and most complete entries." href="/hiv-aids" class="starred">HIV / AIDS</a></li><li><a href="/smoking">Smoking</a></li></ul></div></li><li class="category"><a href="/#food"><span>Food</span></a><div class="subcategory-menu"><div class="submenu-title">Food</div><ul><li><a title="Starred pages are our best and most complete entries." href="/micronutrient-deficiency" class="starred">Micronutrient Deficiency</a></li><li><a href="/diet-compositions">Diet Compositions</a></li><li><a title="Starred pages are our best and most complete entries." href="/meat-and-seafood-production-consumption" class="starred">Meat and Seafood Production & Consumption</a></li><li><a title="Starred pages are our best and most complete entries." href="/water-access-resources-sanitation" class="starred">Water Access, Resources & Sanitation</a></li><li><a title="Starred pages are our best and most complete entries." href="/alcohol-consumption" class="starred">Alcohol consumption</a></li><li><a href="/obesity">Obesity</a></li><li><a href="/food-per-person">Food per Person</a></li><li><a title="Starred pages are our best and most complete entries." href="/hunger-and-undernourishment" class="starred">Hunger and Undernourishment</a></li><li><a title="Starred pages are our best and most complete entries." href="/famines" class="starred">Famines</a></li><li><a href="/human-height">Human Height</a></li><li><a href="/employment-in-agriculture">Employment in Agriculture</a></li><li><a title="Starred pages are our best and most complete entries." href="/yields-and-land-use-in-agriculture" class="starred">Yields and Land Use in Agriculture</a></li><li><a href="/fertilizer-and-pesticides">Fertilizer and Pesticides</a></li><li><a href="/food-prices">Food Prices</a></li></ul></div></li><li class="category"><a href="/#energy"><span>Energy</span></a><div class="subcategory-menu"><div class="submenu-title">Energy</div><ul><li><a title="Starred pages are our best and most complete entries." href="/co2-and-other-greenhouse-gas-emissions" class="starred">CO₂ and other Greenhouse Gas Emissions</a></li><li><a href="/energy-production-and-changing-energy-sources">Energy Production & Changing Energy Sources</a></li><li><a href="/fossil-fuels">Fossil Fuels</a></li><li><a href="/renewables">Renewables</a></li></ul></div></li><li class="category"><a href="/#environment"><span>Environment</span></a><div class="subcategory-menu"><div class="submenu-title">Environment</div><ul><li><a title="Starred pages are our best and most complete entries." href="/co2-and-other-greenhouse-gas-emissions" class="starred">CO₂ and other Greenhouse Gas Emissions</a></li><li><a title="Starred pages are our best and most complete entries." href="/indoor-air-pollution" class="starred">Indoor Air Pollution</a></li><li><a href="/natural-catastrophes">Natural Catastrophes</a></li><li><a title="Starred pages are our best and most complete entries." href="/air-pollution" class="starred">Air Pollution</a></li><li><a title="Starred pages are our best and most complete entries." href="/water-access-resources-sanitation" class="starred">Water Access, Resources & Sanitation</a></li><li><a title="Starred pages are our best and most complete entries." href="/ozone-layer" class="starred">Ozone Layer</a></li><li><a href="/oil-spills">Oil Spills</a></li></ul></div></li><li class="category"><a href="/#technology"><span>Technology</span></a><div class="subcategory-menu"><div class="submenu-title">Technology</div><ul><li><a href="/technology-adoption">Technology Diffusion & Adoption</a></li><li><a href="/technological-progress">Technological Progress</a></li></ul></div></li><li class="category"><a href="/#growth-and-inequality"><span>Growth & Inequality</span></a><div class="subcategory-menu"><div class="submenu-title">Growth & Inequality</div><ul><li><a title="Starred pages are our best and most complete entries." href="/economic-inequality-by-gender" class="starred">Economic inequality by gender</a></li><li><a title="Starred pages are our best and most complete entries." href="/extreme-poverty" class="starred">Global Extreme Poverty</a></li><li><a href="/economic-growth">Economic Growth</a></li><li><a title="Starred pages are our best and most complete entries." href="/income-inequality" class="starred">Income Inequality</a></li><li><a href="/incomes-across-the-distribution">Incomes across the Distribution</a></li><li><a href="/global-economic-inequality">Global Economic Inequality</a></li></ul></div></li><li class="category"><a href="/#work-and-life"><span>Work & Life</span></a><div class="subcategory-menu"><div class="submenu-title">Work & Life</div><ul><li><a title="Starred pages are our best and most complete entries." href="/happiness-and-life-satisfaction" class="starred">Happiness and Life Satisfaction</a></li><li><a href="/light">Light</a></li><li><a href="/human-development-index">Human Development Index (HDI)</a></li><li><a title="Starred pages are our best and most complete entries." href="/child-labor" class="starred">Child Labor</a></li><li><a href="/female-labor-supply">Female labor supply</a></li><li><a href="/working-hours">Working Hours</a></li><li><a href="/homelessness">Homelessness</a></li></ul></div></li><li class="category"><a href="/#public-sector"><span>Public Sector</span></a><div class="subcategory-menu"><div class="submenu-title">Public Sector</div><ul><li><a title="Starred pages are our best and most complete entries." href="/corruption" class="starred">Corruption</a></li><li><a title="Starred pages are our best and most complete entries." href="/public-spending" class="starred">Public Spending</a></li><li><a title="Starred pages are our best and most complete entries." href="/financing-healthcare" class="starred">Financing Healthcare</a></li><li><a title="Starred pages are our best and most complete entries." href="/taxation" class="starred">Taxation</a></li><li><a title="Starred pages are our best and most complete entries." href="/financing-education" class="starred">Financing Education</a></li></ul></div></li><li class="category"><a href="/#global-connections"><span>Global Connections</span></a><div class="subcategory-menu"><div class="submenu-title">Global Connections</div><ul><li><a title="Starred pages are our best and most complete entries." href="/international-trade" class="starred">International Trade</a></li><li><a href="/tourism">Tourism</a></li></ul></div></li><li class="category"><a href="/#war-and-peace"><span>War & Peace</span></a><div class="subcategory-menu"><div class="submenu-title">War & Peace</div><ul><li><a href="/war-and-peace">War and Peace</a></li><li><a href="/nuclear-weapons">Nuclear Weapons</a></li><li><a href="/peacekeeping">Peacekeeping</a></li><li><a href="/terrorism">Terrorism</a></li><li><a href="/military-spending">Military Spending</a></li></ul></div></li><li class="category"><a href="/#politics"><span>Politics</span></a><div class="subcategory-menu"><div class="submenu-title">Politics</div><ul><li><a title="Starred pages are our best and most complete entries." href="/corruption" class="starred">Corruption</a></li><li><a href="/democracy">Democracy</a></li></ul></div></li><li class="category"><a href="/#violence-and-rights"><span>Violence & Rights</span></a><div class="subcategory-menu"><div class="submenu-title">Violence & Rights</div><ul><li><a href="/homicides">Homicides</a></li><li><a href="/ethnographic-and-archaeological-evidence-on-violent-deaths">Ethnographic and Archaeological Evidence on Violent Deaths</a></li><li><a href="/human-rights">Human Rights</a></li><li><a href="/violence-against-rights-for-children">Violence against & Rights for Children</a></li></ul></div></li><li class="category"><a href="/#education"><span>Education</span></a><div class="subcategory-menu"><div class="submenu-title">Education</div><ul><li><a title="Starred pages are our best and most complete entries." href="/global-rise-of-education" class="starred">Global Rise of Education</a></li><li><a href="/pre-primary-education">Pre-Primary Education</a></li><li><a href="/primary-and-secondary-education">Primary and Secondary Education</a></li><li><a href="/tertiary-education">Tertiary Education</a></li><li><a href="/quality-of-education">Quality of Education</a></li><li><a href="/literacy">Literacy</a></li><li><a href="/educational-mobility-inequality">Educational Mobility & Inequality</a></li><li><a href="/returns-to-education">Returns to Education</a></li><li><a href="/teachers-and-professors">Teachers and Professors</a></li><li><a href="/science-and-research">Science and Research</a></li><li><a title="Starred pages are our best and most complete entries." href="/financing-education" class="starred">Financing Education</a></li><li><a href="/projections-of-future-education">Projections of Future Education</a></li><li><a href="/intelligence">Intelligence</a></li></ul></div></li><li class="category"><a href="/#media"><span>Media</span></a><div class="subcategory-menu"><div class="submenu-title">Media</div><ul><li><a href="/internet">Internet</a></li><li><a href="/books">Books</a></li></ul></div></li><li class="category"><a href="/#culture"><span>Culture</span></a><div class="subcategory-menu"><div class="submenu-title">Culture</div><ul><li><a title="Starred pages are our best and most complete entries." href="/trust" class="starred">Trust</a></li><li><a href="/optimism-pessimism">Optimism & Pessimism</a></li></ul></div></li><li class="end-link"><a href="https://sdg-tracker.org">SDGs</a></li><li class="end-link"><a href="/blog">Blog</a></li><li class="end-link"><a href="/about">About</a></li><li class="end-link"><a href="/support">Donate</a></li></ul></div><div id="search-dropdown" class="mobile"><form id="search-nav" action="https://google.com/search" method="GET"><input type="hidden" name="sitesearch" value="ourworldindata.org" /><input type="search" name="q" placeholder="Search..." /></form></div><div id="category-nav" class="desktop"><ul><li title="Population" class="category"><a href="/#population"><span>Population</span></a><ul class="entries"><li><hr /></li><li><a href="/world-population-growth">World Population Growth</a></li><li><a href="/life-expectancy">Life Expectancy</a></li><li><a href="/child-mortality">Child Mortality</a></li><li><a href="/future-population-growth">Future Population Growth</a></li><li><a title="Starred pages are our best and most complete entries." href="/fertility-rate" class="starred">Fertility Rate</a></li></ul></li><li title="Health" class="category"><a href="/#health"><span>Health</span></a><ul class="entries"><li><hr /></li><li><a title="Starred pages are our best and most complete entries." href="/cancer" class="starred">Cancer</a></li><li><a title="Starred pages are our best and most complete entries." href="/mental-health" class="starred">Mental Health</a></li><li><a title="Starred pages are our best and most complete entries." href="/smallpox" class="starred">Smallpox</a></li><li><a title="Starred pages are our best and most complete entries." href="/causes-of-death" class="starred">Causes of Death</a></li><li><a href="/substance-use">Substance Use</a></li><li><a title="Starred pages are our best and most complete entries." href="/alcohol-consumption" class="starred">Alcohol consumption</a></li><li><a title="Starred pages are our best and most complete entries." href="/health-meta" class="starred">Global Health</a></li><li><a title="Starred pages are our best and most complete entries." href="/polio" class="starred">Polio</a></li><li><a href="/life-expectancy">Life Expectancy</a></li><li><a title="Starred pages are our best and most complete entries." href="/suicide" class="starred">Suicide</a></li><li><a title="Starred pages are our best and most complete entries." href="/financing-healthcare" class="starred">Financing Healthcare</a></li><li><a href="/maternal-mortality">Maternal Mortality</a></li><li><a href="/eradication-of-diseases">Eradication of Diseases</a></li><li><a title="Starred pages are our best and most complete entries." href="/burden-of-disease" class="starred">Burden of Disease</a></li><li><a href="/malaria">Malaria</a></li><li><a title="Starred pages are our best and most complete entries." href="/hiv-aids" class="starred">HIV / AIDS</a></li><li><a href="/smoking">Smoking</a></li></ul></li><li title="Food" class="category"><a href="/#food"><span>Food</span></a><ul class="entries"><li><hr /></li><li><a title="Starred pages are our best and most complete entries." href="/micronutrient-deficiency" class="starred">Micronutrient Deficiency</a></li><li><a href="/diet-compositions">Diet Compositions</a></li><li><a title="Starred pages are our best and most complete entries." href="/meat-and-seafood-production-consumption" class="starred">Meat and Seafood Production & Consumption</a></li><li><a title="Starred pages are our best and most complete entries." href="/water-access-resources-sanitation" class="starred">Water Access, Resources & Sanitation</a></li><li><a title="Starred pages are our best and most complete entries." href="/alcohol-consumption" class="starred">Alcohol consumption</a></li><li><a href="/obesity">Obesity</a></li><li><a href="/food-per-person">Food per Person</a></li><li><a title="Starred pages are our best and most complete entries." href="/hunger-and-undernourishment" class="starred">Hunger and Undernourishment</a></li><li><a title="Starred pages are our best and most complete entries." href="/famines" class="starred">Famines</a></li><li><a href="/human-height">Human Height</a></li><li><a href="/employment-in-agriculture">Employment in Agriculture</a></li><li><a title="Starred pages are our best and most complete entries." href="/yields-and-land-use-in-agriculture" class="starred">Yields and Land Use in Agriculture</a></li><li><a href="/fertilizer-and-pesticides">Fertilizer and Pesticides</a></li><li><a href="/food-prices">Food Prices</a></li></ul></li><li title="Energy" class="category"><a href="/#energy"><span>Energy</span></a><ul class="entries"><li><hr /></li><li><a title="Starred pages are our best and most complete entries." href="/co2-and-other-greenhouse-gas-emissions" class="starred">CO₂ and other Greenhouse Gas Emissions</a></li><li><a href="/energy-production-and-changing-energy-sources">Energy Production & Changing Energy Sources</a></li><li><a href="/fossil-fuels">Fossil Fuels</a></li><li><a href="/renewables">Renewables</a></li></ul></li><li title="Environment" class="category"><a href="/#environment"><span>Environment</span></a><ul class="entries"><li><hr /></li><li><a title="Starred pages are our best and most complete entries." href="/co2-and-other-greenhouse-gas-emissions" class="starred">CO₂ and other Greenhouse Gas Emissions</a></li><li><a title="Starred pages are our best and most complete entries." href="/indoor-air-pollution" class="starred">Indoor Air Pollution</a></li><li><a href="/natural-catastrophes">Natural Catastrophes</a></li><li><a title="Starred pages are our best and most complete entries." href="/air-pollution" class="starred">Air Pollution</a></li><li><a title="Starred pages are our best and most complete entries." href="/water-access-resources-sanitation" class="starred">Water Access, Resources & Sanitation</a></li><li><a title="Starred pages are our best and most complete entries." href="/ozone-layer" class="starred">Ozone Layer</a></li><li><a href="/oil-spills">Oil Spills</a></li></ul></li><li title="Technology" class="category"><a href="/#technology"><span>Technology</span></a><ul class="entries"><li><hr /></li><li><a href="/technology-adoption">Technology Diffusion & Adoption</a></li><li><a href="/technological-progress">Technological Progress</a></li></ul></li><li title="Growth & Inequality" class="category"><a href="/#growth-and-inequality"><span>Growth & Inequality</span></a><ul class="entries"><li><hr /></li><li><a title="Starred pages are our best and most complete entries." href="/economic-inequality-by-gender" class="starred">Economic inequality by gender</a></li><li><a title="Starred pages are our best and most complete entries." href="/extreme-poverty" class="starred">Global Extreme Poverty</a></li><li><a href="/economic-growth">Economic Growth</a></li><li><a title="Starred pages are our best and most complete entries." href="/income-inequality" class="starred">Income Inequality</a></li><li><a href="/incomes-across-the-distribution">Incomes across the Distribution</a></li><li><a href="/global-economic-inequality">Global Economic Inequality</a></li></ul></li><li title="Work & Life" class="category"><a href="/#work-and-life"><span>Work & Life</span></a><ul class="entries"><li><hr /></li><li><a title="Starred pages are our best and most complete entries." href="/happiness-and-life-satisfaction" class="starred">Happiness and Life Satisfaction</a></li><li><a href="/light">Light</a></li><li><a href="/human-development-index">Human Development Index (HDI)</a></li><li><a title="Starred pages are our best and most complete entries." href="/child-labor" class="starred">Child Labor</a></li><li><a href="/female-labor-supply">Female labor supply</a></li><li><a href="/working-hours">Working Hours</a></li><li><a href="/homelessness">Homelessness</a></li></ul></li><li title="Public Sector" class="category"><a href="/#public-sector"><span>Public Sector</span></a><ul class="entries"><li><hr /></li><li><a title="Starred pages are our best and most complete entries." href="/corruption" class="starred">Corruption</a></li><li><a title="Starred pages are our best and most complete entries." href="/public-spending" class="starred">Public Spending</a></li><li><a title="Starred pages are our best and most complete entries." href="/financing-healthcare" class="starred">Financing Healthcare</a></li><li><a title="Starred pages are our best and most complete entries." href="/taxation" class="starred">Taxation</a></li><li><a title="Starred pages are our best and most complete entries." href="/financing-education" class="starred">Financing Education</a></li></ul></li><li title="Global Connections" class="category"><a href="/#global-connections"><span>Global Connections</span></a><ul class="entries"><li><hr /></li><li><a title="Starred pages are our best and most complete entries." href="/international-trade" class="starred">International Trade</a></li><li><a href="/tourism">Tourism</a></li></ul></li><li title="War & Peace" class="category"><a href="/#war-and-peace"><span>War & Peace</span></a><ul class="entries"><li><hr /></li><li><a href="/war-and-peace">War and Peace</a></li><li><a href="/nuclear-weapons">Nuclear Weapons</a></li><li><a href="/peacekeeping">Peacekeeping</a></li><li><a href="/terrorism">Terrorism</a></li><li><a href="/military-spending">Military Spending</a></li></ul></li><li title="Politics" class="category"><a href="/#politics"><span>Politics</span></a><ul class="entries"><li><hr /></li><li><a title="Starred pages are our best and most complete entries." href="/corruption" class="starred">Corruption</a></li><li><a href="/democracy">Democracy</a></li></ul></li><li title="Violence & Rights" class="category"><a href="/#violence-and-rights"><span>Violence & Rights</span></a><ul class="entries"><li><hr /></li><li><a href="/homicides">Homicides</a></li><li><a href="/ethnographic-and-archaeological-evidence-on-violent-deaths">Ethnographic and Archaeological Evidence on Violent Deaths</a></li><li><a href="/human-rights">Human Rights</a></li><li><a href="/violence-against-rights-for-children">Violence against & Rights for Children</a></li></ul></li><li title="Education" class="category"><a href="/#education"><span>Education</span></a><ul class="entries"><li><hr /></li><li><a title="Starred pages are our best and most complete entries." href="/global-rise-of-education" class="starred">Global Rise of Education</a></li><li><a href="/pre-primary-education">Pre-Primary Education</a></li><li><a href="/primary-and-secondary-education">Primary and Secondary Education</a></li><li><a href="/tertiary-education">Tertiary Education</a></li><li><a href="/quality-of-education">Quality of Education</a></li><li><a href="/literacy">Literacy</a></li><li><a href="/educational-mobility-inequality">Educational Mobility & Inequality</a></li><li><a href="/returns-to-education">Returns to Education</a></li><li><a href="/teachers-and-professors">Teachers and Professors</a></li><li><a href="/science-and-research">Science and Research</a></li><li><a title="Starred pages are our best and most complete entries." href="/financing-education" class="starred">Financing Education</a></li><li><a href="/projections-of-future-education">Projections of Future Education</a></li><li><a href="/intelligence">Intelligence</a></li></ul></li><li title="Media" class="category"><a href="/#media"><span>Media</span></a><ul class="entries"><li><hr /></li><li><a href="/internet">Internet</a></li><li><a href="/books">Books</a></li></ul></li><li title="Culture" class="category"><a href="/#culture"><span>Culture</span></a><ul class="entries"><li><hr /></li><li><a title="Starred pages are our best and most complete entries." href="/trust" class="starred">Trust</a></li><li><a href="/optimism-pessimism">Optimism & Pessimism</a></li></ul></li></ul></div><div id="entries-nav" class="desktop"></div></header><main><div class="site-content"><h2>Latest Posts</h2><ul class="posts"><li class="post"><a href="/why-do-women-live-longer-than-men"><img src="/wp-content/uploads/2018/08/life-expectancy-of-women-vs-life-expectancy-of-women-750x529.png" /><h3>Why do women live longer than men?</h3><div class="entry-meta"><time>August 14, 2018</time> by Esteban Ortiz-Ospina and Diana Beltekian</div></a></li><li class="post"><a href="/carbon-pricing-popular"><img src="https://owid.cloud/wp-content/uploads/2018/08/Carbon_Pricing-Map-powerpoint.gif" /><h3>Why is carbon pricing in some countries more successful than in others?</h3><div class="entry-meta"><time>August 10, 2018</time> by Guest Post</div></a></li><li class="post"><a href="/the-new-oecd-global-revenue-statistics-database"><img src="/wp-content/uploads/2018/07/tax-revenue-share-gdp-oecd-grsd-750x529.png" /><h3>Global data on taxes - the new OECD tax revenue database</h3><div class="entry-meta"><time>August 01, 2018</time> by Diana Beltekian</div></a></li><li class="post"><a href="/wrong-about-the-world"><img src="/wp-content/uploads/2018/07/Public-perception-of-Change-in-poverty-750x398.png" /><h3>Most of us are wrong about how the world has changed (especially those who are pessimistic about the future)</h3><div class="entry-meta"><time>July 27, 2018</time> by Max Roser</div></a></li><li class="post"><a href="/edu-quality-key-facts"><img src="/wp-content/uploads/2018/07/learning-outcomes-vs-gdp-per-capita-750x529.png" /><h3>Global education quality in 4 charts</h3><div class="entry-meta"><time>July 27, 2018</time> by Esteban Ortiz-Ospina</div></a></li><li class="post"><a href="/owid-for-teaching-feedback"><img src="/wp-content/uploads/2018/07/How-OWID-is-used-in-teaching-01-1-750x301.png" /><h3>Our World in Data for teaching – what we are learning from your feedback</h3><div class="entry-meta"><time>July 23, 2018</time> by Esteban Ortiz-Ospina</div></a></li><li class="post"><a href="/smallpox-is-the-only-human-disease-to-be-eradicated-heres-how-the-world-achieved-it"><img src="/wp-content/uploads/2018/07/decade-in-which-smallpox-ceased-to-be-endemic-by-country-750x529.png" /><h3>Smallpox is the only human disease to be eradicated - here's how the world achieved it</h3><div class="entry-meta"><time>July 20, 2018</time> by Sophie Ochmann and Hannah Ritchie</div></a></li><li class="post"><a href="/max-un-slides"><img src="/wp-content/uploads/2018/07/Screen-Shot-2018-07-10-at-11.40.22-750x401.png" /><h3>The past and future of global change – Max's slides for his talk at the UN</h3><div class="entry-meta"><time>July 10, 2018</time> by Max Roser</div></a></li><li class="post"><a href="/have-you-used-our-world-in-data-for-teaching-you-can-help-us"><img src="/wp-content/uploads/2018/06/Screen-Shot-2018-06-29-at-12.40.50-607x550.png" /><h3>Have you used Our World in Data for teaching? You can help us!</h3><div class="entry-meta"><time>July 04, 2018</time> by Esteban Ortiz-Ospina</div></a></li><li class="post"><a href="/global-education-slides"><img src="/wp-content/uploads/2018/06/Screen-Shot-2018-06-29-at-12.00.22-768x531.png" /><h3>Global education: 7 slide decks with key charts on progress and challenges</h3><div class="entry-meta"><time>July 03, 2018</time> by Esteban Ortiz-Ospina</div></a></li><li class="post"><a href="/sdg-tracker-update"><img src="/wp-content/uploads/2018/06/SDG-Data-Matrix-01-750x402.png" /><h3>Introducing our new and improved 'Sustainable Development Goal (SDG) Tracker'</h3><div class="entry-meta"><time>June 28, 2018</time> by Hannah Ritchie</div></a></li><li class="post"><a href="/how-is-literacy-measured"><img src="/wp-content/uploads/2018/03/literate-and-illiterate-world-population-750x529.png" /><h3>How is literacy measured?</h3><div class="entry-meta"><time>June 08, 2018</time> by Esteban Ortiz-Ospina and Diana Beltekian</div></a></li><li class="post"><a href="/trade-data-sources-discrepancies"><img src="/wp-content/uploads/2018/03/various-sources-of-the-total-value-of-exports-as-a-share-of-gdp-1-750x529.png" /><h3>International trade data: why doesn't it add up?</h3><div class="entry-meta"><time>June 05, 2018</time> by Esteban Ortiz-Ospina and Diana Beltekian</div></a></li><li class="post"><a href="/whats-happening-to-life-expectancy-in-britain"><img src="/wp-content/uploads/2018/05/estimated-and-projected-life-expectancy-at-birth-1-750x529.png" /><h3>What’s happening to life expectancy in Britain?</h3><div class="entry-meta"><time>May 31, 2018</time> by Esteban Ortiz-Ospina and Hannah Ritchie</div></a></li><li class="post"><a href="/alcohol-and-drug-dependency"><img src="/wp-content/uploads/2018/04/share-with-alcohol-or-drug-use-disorders-1-750x529.png" /><h3>How common is alcohol and drug dependency across the world?</h3><div class="entry-meta"><time>May 16, 2018</time> by Hannah Ritchie</div></a></li><li class="post"><a href="/global-mental-health"><img src="/wp-content/uploads/2018/04/share-with-mental-and-substance-disorders-750x529.png" /><h3>Global mental health: five key insights which emerge from the data</h3><div class="entry-meta"><time>May 16, 2018</time> by Hannah Ritchie</div></a></li><li class="post"><a href="/vaccine-preventable-diseases"><img src="/wp-content/uploads/2018/04/Reduction-of-child-deaths-due-to-vaccine-preventable-diseases-v2-2-750x525.png" /><h3>How is the world doing in its fight against vaccine preventable diseases?</h3><div class="entry-meta"><time>April 24, 2018</time> by Samantha Vanderslott</div></a></li><li class="post"><a href="/mental-health-new-entry-now-online"><img src="/wp-content/uploads/2018/04/share-with-depression-1-750x529.png" /><h3>Mental health - new entry now online</h3><div class="entry-meta"><time>April 23, 2018</time> by Hannah Ritchie</div></a></li><li class="post"><a href="/military-long-run-spending-perspective"><img src="/wp-content/uploads/2018/04/military-expenditure-as-a-share-of-gdp-750x529.png" /><h3>Long-run trends in military spending and personnel: four key facts from new data</h3><div class="entry-meta"><time>April 22, 2018</time> by Esteban Ortiz-Ospina</div></a></li><li class="post"><a href="/health-colleague"><img src="/wp-content/uploads/2018/04/Post-doc-position-Health-and-Demography-750x375.png" /><h3>We're hiring! Why I work at OWID and why you should consider joining our research team</h3><div class="entry-meta"><time>April 09, 2018</time> by Hannah Ritchie</div></a></li><li class="post"><a href="/shrink-emissions-not-the-economy"><img src="/wp-content/uploads/2018/04/value-added-vs-share-of-emissions-usa-1-750x529.png" /><h3>Shrink emissions, not the economy!</h3><div class="entry-meta"><time>April 06, 2018</time> by Guest Post</div></a></li></ul><nav role="navigation" class="navigation pagination"><h2 class="screen-reader-text">Posts navigation</h2><div class="nav-link"><a href="/blog/" class="page-numbers current">1</a><a href="/blog/page/2" class="page-numbers">2</a><a href="/blog/page/3" class="page-numbers">3</a><a href="/blog/page/4" class="page-numbers">4</a><a href="/blog/page/5" class="page-numbers">5</a></div></nav></div></main><footer class="SiteFooter"><div><a href="/" class="logo">Our World in Data</a> is a <a href="https://creativecommons.org/licenses/by-sa/4.0/">creative commons</a> publication about human civilization at a global scale.</div><nav><a href="/about">About</a><a href="https://docs.google.com/forms/d/e/1FAIpQLScTaT03ggC7yo8KzRLvoCJY-5mtfuA6jOHheLLFtD5lSHkXlg/viewform">Feedback</a><a href="/subscribe">Subscribe</a><a href="https://twitter.com/OurWorldInData">Twitter</a><a href="https://www.facebook.com/OurWorldinData">Facebook</a><a href="https://github.com/owid">GitHub</a><a href="/support">Donate</a></nav><script src="/wp-content/themes/owid-theme/dist/js/owid.js"></script><script src="https://ourworldindata.org/grapher/embedCharts.js"></script></footer></body></html>